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## org.bouncycastle.asn1.cms
Class KeyAgreeRecipientInfo

    java.lang.Object
      org.bouncycastle.asn1.ASN1Encodable
          org.bouncycastle.asn1.cms.KeyAgreeRecipientInfo

All Implemented Interfaces:
  DEREncodable

public class KeyAgreeRecipientInfo
extends ASN1Encodable

Constructor Summary
`KeyAgreeRecipientInfo(ASN1Sequence seq)`
`KeyAgreeRecipientInfo(OriginatorIdentifierOrKey originator, ASN1OctetString ukm, AlgorithmIdentifier keyEncryptionAlgorithm, ASN1Sequence recipientEncryptedKeys)`

Method Summary
`static KeyAgreeRecipientInfo` | `getInstance(ASN1TaggedObject obj, boolean explicit)` return a KeyAgreeRecipientInfo object from a tagged object.
`static KeyAgreeRecipientInfo` | `getInstance(java.lang.Object obj)` return a KeyAgreeRecipientInfo object from the given object.
`AlgorithmIdentifier` | `getKeyEncryptionAlgorithm()`
`OriginatorIdentifierOrKey` | `getOriginator()`
`ASN1Sequence` | `getRecipientEncryptedKeys()`
`ASN1OctetString` | `getUserKeyingMaterial()`
`DERInteger` | `getVersion()`
`DERObject` | `toASN1Object()` Produce an object suitable for an ASN1OutputStream.

Methods inherited from class org.bouncycastle.asn1.ASN1Encodable
`equals, getDERObject, getEncoded, hashCode`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### KeyAgreeRecipientInfo

    public KeyAgreeRecipientInfo(OriginatorIdentifierOrKey originator,
                                 ASN1OctetString ukm,
                                 AlgorithmIdentifier keyEncryptionAlgorithm,
                                 ASN1Sequence recipientEncryptedKeys)

### KeyAgreeRecipientInfo

    public KeyAgreeRecipientInfo(ASN1Sequence seq)

Method Detail

### getInstance

    public static KeyAgreeRecipientInfo getInstance(ASN1TaggedObject obj,
                                                    boolean explicit)

  return a KeyAgreeRecipientInfo object from a tagged object.

  Parameters:
    `obj` - the tagged object holding the object we want.
    `explicit` - true if the object is meant to be explicitly tagged false otherwise.
  Throws:
    `java.lang.IllegalArgumentException` - if the object held by the tagged object cannot be converted.

### getInstance

    public static KeyAgreeRecipientInfo getInstance(java.lang.Object obj)

  return a KeyAgreeRecipientInfo object from the given object.

  Parameters:
    `obj` - the object we want converted.
  Throws:
    `java.lang.IllegalArgumentException` - if the object cannot be converted.

### getVersion

    public DERInteger getVersion()

### getOriginator

    public OriginatorIdentifierOrKey getOriginator()

### getUserKeyingMaterial

    public ASN1OctetString getUserKeyingMaterial()

### getKeyEncryptionAlgorithm

    public AlgorithmIdentifier getKeyEncryptionAlgorithm()

### getRecipientEncryptedKeys

    public ASN1Sequence getRecipientEncryptedKeys()

### toASN1Object

    public DERObject toASN1Object()

  Produce an object suitable for an ASN1OutputStream.

       KeyAgreeRecipientInfo ::= SEQUENCE {
           version CMSVersion,  -- always set to 3
           originator [0] EXPLICIT OriginatorIdentifierOrKey,
           ukm [1] EXPLICIT UserKeyingMaterial OPTIONAL,
           keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
           recipientEncryptedKeys RecipientEncryptedKeys
       }

  Specified by:
    `toASN1Object` in class `ASN1Encodable`

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